/// <summary>
/// Notifies a new occurrence of the activity.
/// </summary>
internal void NotifyOccurrence()
{
m_lastReportedTimestamps.Enqueue(DateTime.UtcNow);
}
/// <summary>
/// Notifies the a done activity and it's duration.
/// </summary>
/// <param name="durationTicks">Total ticks the activity took.</param>
internal void NotifyActivityDuration(long durationTicks)
{
m_lastDurationItems.Enqueue(Tuple.Create(DateTime.UtcNow, durationTicks));
}